Finding the Fourth Proportional to 231,957.18, 320,281.84 and 178,156.98
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Solution
The fourth proportional to 231,957.18, 320,281.84 and 178,156.98 is: 245,995.60
Step by Step Solution
- Step 1: Write the proportion equation
231,957.18 : 320,281.84 = 178,156.98 : x - Step 2: Convert to fraction form
231,957.18/320,281.84 = 178,156.98/x - Step 3: Cross multiply
231,957.18x = 320,281.84 × 178,156.98 - Step 4: Simplify right side
231,957.18x = 57,060,445,363.24 - Step 5: Solve for x
x = 57,060,445,363.24/231,957.18 - Step 6: Final answer
x = 245,995.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.